Calculate the mass percentage of CaCO3(s) in the sample.

Calculate the mass percentage of CaCO3(s) in the sample..

I don’t know how to handle this Chemistry question and need guidance.

A 0.450 g sample of impure CaCO3(s) is dissolved in 50.0 mL of 0.150 M HCl(aq).

The equation for the reaction is

CaCO3(s)+2HCl(aq)CaCl2(aq)+H2O(l)+CO2(g)

The excess HCl(aq)

is titrated by
6.75 mL of
0.125 M NaOH(aq)

.






Calculate the mass percentage of CaCO3(s)

in the sample.

Calculate the mass percentage of CaCO3(s) in the sample.

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